用简便方法计算198+1028怎么写

用简便方法计算198+1028怎么写
2025-03-17 18:30:40
推荐回答(5个)
回答1:

198+1028
解:原式=(200-2)+(1000+28)
=200-2+1000+28
=1000+200-2+28
=1198+28
=1206

回答2:


发过去了,采纳吧

回答3:

用简便方法计算198+1028怎么写
=200+2+1000+28
=1200+30
=1230

回答4:

198+1028
=200一2+1000+28
=1200+26
=1174

回答5:

=200-2+1028
=200+1028-2
=1228-2
=1226